CrOS: Disable the app badging feature for m87

Bug: 1080827, 1122723
Change-Id: I6332168a821b1be34f91ecfa9903712867517ecc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2441513Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Matthew Mourgos <mmourgos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812805}

ui/base/ui_base_features.cc

@@ -60,8 +60,8 @@ const base::Feature kSystemCaptionStyle{"SystemCaptionStyle",
 const base::Feature kSystemKeyboardLock{"SystemKeyboardLock",
                                         base::FEATURE_ENABLED_BY_DEFAULT};
 
-const base::Feature kNotificationIndicator = {"EnableNotificationIndicator",
-                                              base::FEATURE_ENABLED_BY_DEFAULT};
+const base::Feature kNotificationIndicator = {
+    "EnableNotificationIndicator", base::FEATURE_DISABLED_BY_DEFAULT};
 
 bool IsNotificationIndicatorEnabled() {
   return base::FeatureList::IsEnabled(kNotificationIndicator);